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Finding the Fourth Proportional to 332,327.80, 498,491.70 and 299,150.20

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Solution

The fourth proportional to 332,327.80, 498,491.70 and 299,150.20 is: 448,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,327.80 : 498,491.70 = 299,150.20 : x
  2. Step 2: Convert to fraction form
    332,327.80/498,491.70 = 299,150.20/x
  3. Step 3: Cross multiply
    332,327.80x = 498,491.70 × 299,150.20
  4. Step 4: Simplify right side
    332,327.80x = 149,123,891,753.34
  5. Step 5: Solve for x
    x = 149,123,891,753.34/332,327.80
  6. Step 6: Final answer
    x = 448,725.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.